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william |
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///////////////////////////////////////////////////////////////////////////// |
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// Name: docmdi.cpp |
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// Purpose: Frame classes for MDI document/view applications |
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// Author: Julian Smart |
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// Modified by: |
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// Created: 01/02/97 |
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// RCS-ID: $Id: docmdi.cpp 35650 2005-09-23 12:56:45Z MR $ |
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// Copyright: (c) Julian Smart |
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// Licence: wxWindows licence |
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///////////////////////////////////////////////////////////////////////////// |
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// For compilers that support precompilation, includes "wx.h". |
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#include "wx/wxprec.h" |
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#ifdef __BORLANDC__ |
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#pragma hdrstop |
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#endif |
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#if wxUSE_MDI_ARCHITECTURE |
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#include "wx/docmdi.h" |
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/* |
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* Docview MDI parent frame |
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*/ |
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IMPLEMENT_CLASS(wxDocMDIParentFrame, wxMDIParentFrame) |
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BEGIN_EVENT_TABLE(wxDocMDIParentFrame, wxMDIParentFrame) |
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EVT_MENU(wxID_EXIT, wxDocMDIParentFrame::OnExit) |
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EVT_MENU_RANGE(wxID_FILE1, wxID_FILE9, wxDocMDIParentFrame::OnMRUFile) |
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EVT_CLOSE(wxDocMDIParentFrame::OnCloseWindow) |
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END_EVENT_TABLE() |
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wxDocMDIParentFrame::wxDocMDIParentFrame() |
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{ |
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Init(); |
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} |
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wxDocMDIParentFrame::wxDocMDIParentFrame(wxDocManager *manager, wxFrame *frame, wxWindowID id, const wxString& title, |
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const wxPoint& pos, const wxSize& size, long style, const wxString& name) |
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{ |
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Init(); |
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Create(manager, frame, id, title, pos, size, style, name); |
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} |
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bool wxDocMDIParentFrame::Create(wxDocManager *manager, wxFrame *frame, wxWindowID id, const wxString& title, |
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const wxPoint& pos, const wxSize& size, long style, const wxString& name) |
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{ |
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m_docManager = manager; |
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return wxMDIParentFrame::Create(frame, id, title, pos, size, style, name); |
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} |
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void wxDocMDIParentFrame::OnExit(wxCommandEvent& WXUNUSED(event)) |
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{ |
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Close(); |
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} |
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void wxDocMDIParentFrame::Init() |
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{ |
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m_docManager = NULL; |
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} |
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void wxDocMDIParentFrame::OnMRUFile(wxCommandEvent& event) |
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{ |
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wxString f(m_docManager->GetHistoryFile(event.GetId() - wxID_FILE1)); |
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if (!f.empty()) |
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(void)m_docManager->CreateDocument(f, wxDOC_SILENT); |
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} |
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// Extend event processing to search the view's event table |
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bool wxDocMDIParentFrame::ProcessEvent(wxEvent& event) |
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{ |
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// Try the document manager, then do default processing |
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if (!m_docManager || !m_docManager->ProcessEvent(event)) |
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return wxEvtHandler::ProcessEvent(event); |
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else |
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return true; |
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} |
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void wxDocMDIParentFrame::OnCloseWindow(wxCloseEvent& event) |
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{ |
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if (m_docManager->Clear(!event.CanVeto())) |
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{ |
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this->Destroy(); |
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} |
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else |
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event.Veto(); |
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} |
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/* |
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* Default document child frame for MDI children |
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*/ |
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IMPLEMENT_CLASS(wxDocMDIChildFrame, wxMDIChildFrame) |
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BEGIN_EVENT_TABLE(wxDocMDIChildFrame, wxMDIChildFrame) |
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EVT_ACTIVATE(wxDocMDIChildFrame::OnActivate) |
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EVT_CLOSE(wxDocMDIChildFrame::OnCloseWindow) |
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END_EVENT_TABLE() |
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void wxDocMDIChildFrame::Init() |
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{ |
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m_childDocument = (wxDocument*) NULL; |
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m_childView = (wxView*) NULL; |
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} |
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wxDocMDIChildFrame::wxDocMDIChildFrame() |
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{ |
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Init(); |
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} |
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wxDocMDIChildFrame::wxDocMDIChildFrame(wxDocument *doc, wxView *view, wxMDIParentFrame *frame, wxWindowID id, |
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const wxString& title, const wxPoint& pos, const wxSize& size, long style, const wxString& name) |
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{ |
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Init(); |
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Create(doc, view, frame, id, title, pos, size, style, name); |
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} |
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bool wxDocMDIChildFrame::Create(wxDocument *doc, wxView *view, wxMDIParentFrame *frame, wxWindowID id, |
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const wxString& title, const wxPoint& pos, const wxSize& size, long style, const wxString& name) |
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{ |
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m_childDocument = doc; |
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m_childView = view; |
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if (wxMDIChildFrame::Create(frame, id, title, pos, size, style, name)) |
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{ |
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if (view) |
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view->SetFrame(this); |
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return true; |
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} |
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return false; |
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} |
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wxDocMDIChildFrame::~wxDocMDIChildFrame(void) |
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{ |
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m_childView = (wxView *) NULL; |
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} |
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// Extend event processing to search the view's event table |
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bool wxDocMDIChildFrame::ProcessEvent(wxEvent& event) |
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{ |
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static wxEvent *ActiveEvent = NULL; |
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// Break recursion loops |
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if (ActiveEvent == &event) |
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return false; |
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ActiveEvent = &event; |
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bool ret; |
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if ( !m_childView || ! m_childView->ProcessEvent(event) ) |
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{ |
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// Only hand up to the parent if it's a menu command |
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if (!event.IsKindOf(CLASSINFO(wxCommandEvent)) || !GetParent() || !GetParent()->ProcessEvent(event)) |
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ret = wxEvtHandler::ProcessEvent(event); |
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else |
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ret = true; |
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} |
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else |
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ret = true; |
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ActiveEvent = NULL; |
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return ret; |
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} |
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void wxDocMDIChildFrame::OnActivate(wxActivateEvent& event) |
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{ |
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wxMDIChildFrame::OnActivate(event); |
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if (event.GetActive() && m_childView) |
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m_childView->Activate(event.GetActive()); |
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} |
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void wxDocMDIChildFrame::OnCloseWindow(wxCloseEvent& event) |
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{ |
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// Close view but don't delete the frame while doing so! |
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// ...since it will be deleted by wxWidgets if we return true. |
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if (m_childView) |
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{ |
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bool ans = event.CanVeto() |
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? m_childView->Close(false) // false means don't delete associated window |
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: true; // Must delete. |
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if (ans) |
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{ |
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m_childView->Activate(false); |
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delete m_childView; |
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m_childView = (wxView *) NULL; |
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m_childDocument = (wxDocument *) NULL; |
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this->Destroy(); |
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} |
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else |
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event.Veto(); |
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} |
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else |
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event.Veto(); |
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} |
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#endif |
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// wxUSE_DOC_VIEW_ARCHITECTURE |
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